Nasal lavage nostril sealing insert



FIG. 1 is a front elevational view of a nasal lavage nostril sealing insert showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a perspective top view thereof; and,

FIG. 5 is a perspective bottom view thereof. 

The ornamental design for a nasal lavage nostril sealing insert, as shown and described. 